The PTIN is the foundational ID for every tax professional. For international candidates, getting a PTIN does not require a Social Security Number; you can submit an application along with a notarized passport copy. Once the PTIN is active, you are ready to book your EA exam slots.
Glossary Term Guide
What is a PTIN? Preparer Tax Identification Number Explained
HS
Written By
Hiren Soni, CA
TN
Fact-Checked By
Tom Norton, CPA, EA
Last Updated
July 10, 2026
Tax Law Compliance
IRS SEE 2025/2026 Rules
At a Glance: Quick Summary
Quick Answer:
A PTIN (Preparer Tax Identification Number) is a 9-digit identification number issued by the IRS. It is legally required for anyone who prepares federal tax returns for compensation.
Tax Definition:
The IRS uses the PTIN to identify preparers and track tax returns. Under Internal Revenue Code Section 6109, preparing a return for compensation without a valid PTIN can result in monetary penalties.
Key Takeaways:
- Format: Starts with the letter 'P' followed by 8 numbers.
- Cost: The application is free of cost.
- Expiration: PTINs expire on December 31 of each year and must be renewed annually.
- Sponsor Requirement: Candidates must have a PTIN to register for the EA Exam.
Key Statistics & Parameters
9 (starts with 'P')
Digits
$0
Annual Renewal Cost
Instant (online)
Application Time
Yes
Required for SEE
Tax Limits & Comparison
| Registry Type | Required for Paid Prep | Allows IRS representation | Renewal Cycle |
|---|---|---|---|
| PTIN | Yes - All preparers | No (unless credentialed) | Annual (Oct-Dec) |
| CAF Number | No - Only representatives | Yes | Lifetime (unless revoked) |
| EFIN | Yes - Electronic filing providers | No | Continuous |
Frequently Asked Questions
No. When scheduling your Special Enrollment Examination (SEE) via Prometric, you are required to input your IRS-issued PTIN.
You can apply online by creating an account on the IRS Tax Professional PTIN System (irs.gov/ptin) and submitting your personal and business details.
Official IRS References & Citations
Related Study Resources
Free Enrolled Agent Practice
Don't just read tax code. Test your comprehension with hundreds of Prometric-style free practice questions.
Try Free Practice Test Start Full Free Course